--- /dev/null
+From: Mehdi Dogguy <mehdi@debian.org>
+Date: Thu, 22 Dec 2016 00:45:00 +0100
+Subject: CVE-2015-8869
+
+Upstream commit: https://github.com/ocaml/ocaml/commit/659615c7b100a89eafe6253e7a5b9d84d0e8df74#diff-a97df53e3ebc59bb457191b496c90762
+
+http://www.openwall.com/lists/oss-security/2016/04/29/1
+---
+ byterun/alloc.c | 4 ++--
+ byterun/intern.c | 2 +-
+ byterun/str.c | 4 ++--
+ 3 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/byterun/alloc.c b/byterun/alloc.c
+index b421cac..3d7dfc4 100644
+--- a/byterun/alloc.c
++++ b/byterun/alloc.c
+@@ -147,7 +147,7 @@ CAMLexport int caml_convert_flag_list(value list, int *flags)
+
+ CAMLprim value caml_alloc_dummy(value size)
+ {
+- mlsize_t wosize = Int_val(size);
++ mlsize_t wosize = Long_val(size);
+
+ if (wosize == 0) return Atom(0);
+ return caml_alloc (wosize, 0);
+@@ -161,7 +161,7 @@ CAMLprim value caml_alloc_dummy_function(value size,value arity)
+
+ CAMLprim value caml_alloc_dummy_float (value size)
+ {
+- mlsize_t wosize = Int_val(size) * Double_wosize;
++ mlsize_t wosize = Long_val(size) * Double_wosize;
+
+ if (wosize == 0) return Atom(0);
+ return caml_alloc (wosize, 0);
+diff --git a/byterun/intern.c b/byterun/intern.c
+index d2943af..e5cdeb4 100644
+--- a/byterun/intern.c
++++ b/byterun/intern.c
+@@ -287,7 +287,7 @@ static void intern_rec(value *dest)
+ case OFreshOID:
+ /* Refresh the object ID */
+ /* but do not do it for predefined exception slots */
+- if (Int_val(Field((value)dest, 1)) >= 0)
++ if (Long_val(Field((value)dest, 1)) >= 0)
+ caml_set_oo_id((value)dest);
+ /* Pop item and iterate */
+ sp--;
+diff --git a/byterun/str.c b/byterun/str.c
+index a72b34c..dc69624 100644
+--- a/byterun/str.c
++++ b/byterun/str.c
+@@ -266,7 +266,7 @@ CAMLprim value caml_string_greaterequal(value s1, value s2)
+ CAMLprim value caml_blit_string(value s1, value ofs1, value s2, value ofs2,
+ value n)
+ {
+- memmove(&Byte(s2, Long_val(ofs2)), &Byte(s1, Long_val(ofs1)), Int_val(n));
++ memmove(&Byte(s2, Long_val(ofs2)), &Byte(s1, Long_val(ofs1)), Long_val(n));
+ return Val_unit;
+ }
+
+@@ -293,7 +293,7 @@ CAMLprim value caml_is_printable(value chr)
+
+ CAMLprim value caml_bitvect_test(value bv, value n)
+ {
+- int pos = Int_val(n);
++ intnat pos = Long_val(n);
+ return Val_int(Byte_u(bv, pos >> 3) & (1 << (pos & 7)));
+ }
+